Campbell CS475A, Product Manual, Page: 8 / 56

6. In Output Setup, type the scan rate, a Table Name, and Data Output Storage Interval
( FIGURE 4-5 (p. 5)). Click Next.
FIGURE 4-5. Short Cut, Output Setup
NOTE:
Because of the delays using SDI-12, Campbell Scientific recommends measurement
scans of 10 seconds or more.
7. Select the output options.
8. Click Finish and save the program. Send the program to the data logger if the data logger
is connected to the computer.
9. If the sensor is connected to the data logger, check the output of the sensor in the data
display in LoggerNet, RTDAQ, PC400, or PC200W to make sure it is making reasonable
measurements.
5. Overview
The CS475A emits short microwave pulses and measures the elapsed time between the emission
and return of the pulses. The elapsed time measurement is used to calculate the distance
between the sensor face and the target (for example, water, grain, slurry). The distance value can
be used to determine depth of the medium (
FIGURE 5-1 (p. 6)).
This radar sensor outputs a digital SDI-12 signal to indicate distance and stage. The output is
acceptable for recording devices with SDI-12 capability.
CS475A Radar Water Level Sensor 5